Finding the Fourth Proportional to 669,565.01, 924,146.84 and 440,143.49
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Solution
The fourth proportional to 669,565.01, 924,146.84 and 440,143.49 is: 607,494.73
Step by Step Solution
- Step 1: Write the proportion equation
669,565.01 : 924,146.84 = 440,143.49 : x - Step 2: Convert to fraction form
669,565.01/924,146.84 = 440,143.49/x - Step 3: Cross multiply
669,565.01x = 924,146.84 × 440,143.49 - Step 4: Simplify right side
669,565.01x = 406,757,215,430.07 - Step 5: Solve for x
x = 406,757,215,430.07/669,565.01 - Step 6: Final answer
x = 607,494.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.